From the patent app...

A method for guarding against unauthorized use of a device, said method comprising: determining whether to disable a recharger associated with said device in order to protect said device against unauthorized use of said device, wherein said device can be powered by a rechargeable-power-supply that can be charged by said recharger when said recharger is enabled; and disabling said recharger associated with said device so that said rechargeable-power-supply cannot be charged by said recharger.

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Sounds exciting, no?